How should parents prevent their children from catching a cold when the weather turns cold?

1, in alternate seasons: changing clothes with the weather will greatly reduce the chance of children catching a cold. Master the principle of "covering spring and freezing autumn" and properly carry out cold-resistant exercise. 2. When entering different room temperature environments: When entering the room in winter, it is best to take off cotton-padded clothes, coats, hats, gloves, scarves, etc. Put on all your clothes at the door before you go out. Use air conditioners, heaters and electric fans scientifically. Don't turn the indoor temperature too low. Under normal circumstances, the indoor and outdoor temperature difference does not exceed 7℃. 3. When sleeping: It is best not to let the baby sleep in knitted underwear or thick pajamas. When the baby is asleep, avoid the wind. When sleeping during the day, you should also take off your coat, cover it with a thin quilt, and put on your coat after waking up. 4. When exercising: Wear sweat-absorbent, breathable and loose clothes suitable for children's sports, and wear less than usual. When you are sweating all over, dry the sweat with a dry towel first. Don't enter the air-conditioned room immediately, and don't blow directly at the cold air outlet and electric fan of the air conditioner. When sweating, don't give your child ice water or cold drinks immediately. 5, children's lung heat kechuan oral liquid is always available at home, and can be used as a preventive and therapeutic drug for colds and flu.